The talk test as a marker of exercise training intensity
Carl Foster1, John P Porcari, Jennifer Anderson
1Department of Exercise and Sport Science, University of Wisconsin La Crosse, La Crosse, WI 54601, USA. foster.carl@uwlax.edu
Journal of Cardiopulmonary Rehabilitation and Prevention
|February 19, 2008
Summary
The Talk Test (TT) robustly correlates with the ventilatory threshold (VT) during exercise. This validates the TT as a reliable tool for exercise prescription in healthy adults.
Area of Science:
- Exercise Physiology
- Cardiorespiratory Fitness
Background:
- The ventilatory threshold (VT) is a key indicator of exercise intensity.
- The Talk Test (TT) has been proposed as a simpler, non-invasive alternative to VT measurement.
Purpose of the Study:
- To investigate the robustness of the relationship between the Talk Test (TT) and ventilatory threshold (VT).
- To determine if the TT is suitable for exercise prescription.
Main Methods:
- Healthy adults underwent experiments manipulating VT (via blood donation or training) and exercise intensity.
- Talk Test responses were systematically compared to VT measures across different conditions.
Main Results:
- Changes in exercise intensity at VT and the TT aligned after VT manipulation.
- Talk Test predictions closely matched observed speech ability across varying exercise intensities.
- The duration for the TT to become negative decreased with higher intensity, exceeding 2 minutes.
Conclusions:
- A strong, reliable relationship exists between VT and the TT.
- The Talk Test is a practical and effective tool for guiding exercise prescription.
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